body,div,ul,ol,dt,dd,dl,li,h1,h2,h3,h4,h5,h6,form,input,select,textarea,p,img,a,span,strong,*{ padding:0; margin:0;}
body{ font-size:16px; font-family:"微软雅黑"; color:#000000; background-color:#FFFFFF;}
ul,ol,li{ list-style:none;}
// h1,h2,h3,h4,h5,h6{ font-size:14px;}
img,input,select,textarea{ vertical-align:middle}
img{ border:none;}
a{ color:#333333; text-decoration:none;}
a:hover{ color:#003366;}
.clear{ clear:both; height:0; width:0; overflow:hidden;}

.box{
    width: 1200px;
    height: 1500px;
    // border: 1px solid #000;
    margin: auto;
    background: rgb(240, 240, 240);
}
.box1{
    // border: 1px solid#000;
    // margin-left: 50px;
    background: #fff;
    margin-top: 20px;
     display: -webkit-flex;
    display: flex;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    width: 1200px;
    height: 60px;
    background-color: rgb(255, 255, 255);
    float: left;
}

.dh1{
    width: 80px;
    height: 60px;
    text-align: center;
    margin: auto;
    padding-top: 20px;
    cursor: pointer;
    // border-bottom: 3px solid red;

}

.box2{
    width: 350px;
    height: 40px;
    margin-top: 20px;
    // border: 1px solid#000;
    padding-left: 170px;
    // float: right;
}
.box3{
    width: 1200px;
    height: 533px;
    // border: 1px solid#000;
}
.box3 img{
    margin-top: 20px;
}
.box4{
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    width: 1200px;
    height: 97px;
    background-color: rgb(173, 0, 0);
}
.dh2{
    width: 260px;
    height: 97px;
    text-align: center;
    margin: auto;
    padding-top: 30px;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    cursor: pointer;
    // border-bottom: 3px solid red;
}
.box4 span{
    padding-top: 35px;
    color: rgb(167, 166, 166);
}
.box5{
    width: 1200px;
    height: 60px;
    // border: 1px solid#000;
    text-align: center;
    padding-top: 10px;
    margin-top: 40px;
    margin-bottom: 40px;
}
.box5 h1{
    font-weight: bold;
}
.nav{
    width: 1200px;
    height: 700px;
    background: #fff;
}
.box6{
    width: 1200px;
    height: 50px;
    border-bottom: 2px solid #ccc;
}
.box7{
    width: 1000px;
    height: 50px;
    // border: 1px solid#000;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    margin: auto;
}
.dh3{
    width: 110px;
    height: 50px;
    text-align: center;
    margin: auto;
    padding-top: 5px;
    color: #777;
    font-size: 20px;
    cursor: pointer;
    // border-bottom: 4px solid rgb(168, 0, 0);
    
}